... :According to customer's requirementMaterial:Q235,Q345,20#,alloy steel,stainless steelExecutive standard:GB/T3094,6728-2002,ASTM A500 ... .Surface:According to customer's demandPackaging:Steel strips bundledApplication Range:Apply to construction steel structure,automotive manufacturing,machinery manufacturing,bridge ... equipment manufacturingMin.Order Quantity:1ton Q195-Q345 Galvanized square steel pipes